Analysis

  • max time kernel
    238s
  • max time network
    277s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 16:58

General

  • Target

    Client.exe

  • Size

    63KB

  • MD5

    7aabeebd130a48ceb6d29db6338d46d5

  • SHA1

    c72371a7cf6c472252b1d3f7c6e12d3de77e145c

  • SHA256

    c6cb794e8febc4b598d491fe2c94e59cf45dfbc4ca97b03aded9277c918e3a9b

  • SHA512

    d9bb873fa1768453d3fb3a1f9bbaf2b76a0b21717f86da24ed028876a4d470d014e443aaab24072487413a362d46e78ff52fac6dd8a923d2ec1efcb84016cfc7

  • SSDEEP

    1536:4ZuttUdjLAQJaeeiIVrGbbXwUhktGiDpqKmY7:4ZuttUdjvJjeXGbbX7+9gz

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

following-geometry.gl.at.ply.gg:11493

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    setup.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "setup" /tr '"C:\Users\Admin\AppData\Roaming\setup.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "setup" /tr '"C:\Users\Admin\AppData\Roaming\setup.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1408
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA9CD.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3692
      • C:\Users\Admin\AppData\Roaming\setup.exe
        "C:\Users\Admin\AppData\Roaming\setup.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5044
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1444
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

    Filesize

    64KB

    MD5

    d2fb266b97caff2086bf0fa74eddb6b2

    SHA1

    2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

    SHA256

    b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

    SHA512

    c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

    Filesize

    4B

    MD5

    f49655f856acb8884cc0ace29216f511

    SHA1

    cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

    SHA256

    7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

    SHA512

    599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

    Filesize

    944B

    MD5

    6bd369f7c74a28194c991ed1404da30f

    SHA1

    0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

    SHA256

    878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

    SHA512

    8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

  • C:\Users\Admin\AppData\Local\Temp\tmpA9CD.tmp.bat

    Filesize

    149B

    MD5

    ca9cc05e464c7504406de45a4d5af05c

    SHA1

    ec4c1528147c1a6f0080ef0e0d626d79a8915ac5

    SHA256

    62141706f894a67c141647e9078ee1b526124bdd20b21cafd2bdd793ccfbdf26

    SHA512

    06d9543561041daad66e965ef1f629788649e5968182a8ee944da63260477fce9ce1d11969c14c155547217940a81ad32d5e703c63a2a47ccc0125469071f8e6

  • C:\Users\Admin\AppData\Roaming\setup.exe

    Filesize

    63KB

    MD5

    7aabeebd130a48ceb6d29db6338d46d5

    SHA1

    c72371a7cf6c472252b1d3f7c6e12d3de77e145c

    SHA256

    c6cb794e8febc4b598d491fe2c94e59cf45dfbc4ca97b03aded9277c918e3a9b

    SHA512

    d9bb873fa1768453d3fb3a1f9bbaf2b76a0b21717f86da24ed028876a4d470d014e443aaab24072487413a362d46e78ff52fac6dd8a923d2ec1efcb84016cfc7

  • memory/1444-16-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-26-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-17-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-22-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-15-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-21-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-27-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-23-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-25-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/1444-24-0x000001C4EFB80000-0x000001C4EFB81000-memory.dmp

    Filesize

    4KB

  • memory/2508-7-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/2508-0-0x00007FFF96F53000-0x00007FFF96F55000-memory.dmp

    Filesize

    8KB

  • memory/2508-8-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/2508-1-0x0000000000500000-0x0000000000516000-memory.dmp

    Filesize

    88KB

  • memory/2508-2-0x00007FFF96F50000-0x00007FFF97A11000-memory.dmp

    Filesize

    10.8MB

  • memory/3680-39-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-45-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-46-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-47-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-48-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-49-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-40-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-50-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/3680-38-0x000002980EA30000-0x000002980EA31000-memory.dmp

    Filesize

    4KB

  • memory/5044-30-0x0000000001390000-0x00000000013AE000-memory.dmp

    Filesize

    120KB

  • memory/5044-28-0x00000000013E0000-0x0000000001456000-memory.dmp

    Filesize

    472KB

  • memory/5044-29-0x0000000001360000-0x0000000001370000-memory.dmp

    Filesize

    64KB

  • memory/5044-35-0x000000001BB10000-0x000000001BB2C000-memory.dmp

    Filesize

    112KB

  • memory/5044-34-0x000000001BB00000-0x000000001BB10000-memory.dmp

    Filesize

    64KB

  • memory/5044-36-0x000000001BB30000-0x000000001BB31000-memory.dmp

    Filesize

    4KB